As tangelos go, the Minneola tends to be pretty large and is usually bell or pear-shaped. Diameter of the fruit averages about 3 inches (7.62 cm), though some can grow a bit larger. The peel is somewhat thin, but like most tangelos and mandarin oranges, it is pretty easy to peel.
Space Exploration Definition. space exploration. 1  Space exploration is the use of astronomy and space technology to explore outer space. 2  Physical exploration of space is conducted both by human spaceflights and by robotic spacecraft.
After the first 20 years of exploration, focus shifted from one-off flights to renewable hardware, such as the Space Shuttle program, and from competition to cooperation as with the International Space Station (ISS). With the substantial completion of the ISS following STS-133 in March 2011, plans for space exploration by the US remain in flux.